diff --git a/group_vars/app_prod/vars.yml b/group_vars/app_prod/vars.yml
index 2e57025..5fe3df2 100644
--- a/group_vars/app_prod/vars.yml
+++ b/group_vars/app_prod/vars.yml
@@ -4,4 +4,4 @@
 apps_base_domain: sapti.me
 
 db_inventory_hostname: sapt-labp-db01
-db_host: "{{ hostvars[db_inventory_hostname].fqdn }}"
+db_host: "{{ hostvars[db_inventory_hostname].internal_ipv4 }}"
diff --git a/group_vars/app_stage/vars.yml b/group_vars/app_stage/vars.yml
index 85a6e24..4c361cf 100644
--- a/group_vars/app_stage/vars.yml
+++ b/group_vars/app_stage/vars.yml
@@ -4,4 +4,4 @@
 apps_base_domain: staging.sapti.me
 
 db_inventory_hostname: sapt-labs-db01
-db_host: "{{ hostvars[db_inventory_hostname].fqdn }}"
+db_host: "{{ hostvars[db_inventory_hostname].internal_ipv4 }}"
diff --git a/roles/apps/templates/compose-files/nextcloud.yml.j2 b/roles/apps/templates/compose-files/nextcloud.yml.j2
index 5dd8e16..080806a 100644
--- a/roles/apps/templates/compose-files/nextcloud.yml.j2
+++ b/roles/apps/templates/compose-files/nextcloud.yml.j2
@@ -15,9 +15,9 @@ services:
     image: nextcloud:{{ apps_vars.nextcloud.version }}
     restart: always
     environment:
-      POSTGRES_HOST: "{{ db_host }}"
+      POSTGRES_HOST: {{ db_host }}
       POSTGRES_DB: nextcloud
-      POSTGRES_USER: "{{ databases.nextcloud.username }}"
+      POSTGRES_USER: {{ databases.nextcloud.username }}
       POSTGRES_PASSWORD: {{ databases.nextcloud.password }}
       REDIS_HOST: redis
       REDIS_HOST_PASSWORD: {{ redis_passwords.nextcloud }}
diff --git a/roles/apps/templates/nginx/conf.d/ipfs.conf.j2 b/roles/apps/templates/nginx/conf.d/ipfs.conf.j2
index a1672e2..e5c858f 100644
--- a/roles/apps/templates/nginx/conf.d/ipfs.conf.j2
+++ b/roles/apps/templates/nginx/conf.d/ipfs.conf.j2
@@ -6,6 +6,7 @@ server {
     server_name {{ apps_vars.ipfs.domain }};
 
     location / {
+        resolver 127.0.0.11 valid=30s;
         set $upstream http://ipfs:5001;
         proxy_pass $upstream;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -18,6 +19,7 @@ server {
     server_name ~^([\w-]+\.(ipfs|ipns)\.)?{{ apps_vars.ipfs.gateway_domain }}$;
 
     location / {
+        resolver 127.0.0.11 valid=30s;
         set $upstream http://ipfs:8080;
         proxy_pass $upstream;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
diff --git a/roles/apps/templates/nginx/conf.d/monerod.conf.j2 b/roles/apps/templates/nginx/conf.d/monerod.conf.j2
index eddb7ae..7a1f4f7 100644
--- a/roles/apps/templates/nginx/conf.d/monerod.conf.j2
+++ b/roles/apps/templates/nginx/conf.d/monerod.conf.j2
@@ -6,6 +6,7 @@ server {
     server_name {{ apps_vars.monerod.domain }};
 
     location / {
+        resolver 127.0.0.11 valid=30s;
         set $upstream http://monerod:18089;
         proxy_pass $upstream;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
diff --git a/roles/apps/templates/nginx/conf.d/nextcloud.conf.j2 b/roles/apps/templates/nginx/conf.d/nextcloud.conf.j2
index 3b718cf..0701059 100644
--- a/roles/apps/templates/nginx/conf.d/nextcloud.conf.j2
+++ b/roles/apps/templates/nginx/conf.d/nextcloud.conf.j2
@@ -6,6 +6,7 @@ server {
     server_name {{ apps_vars.nextcloud.domain }};
 
     location / {
+        resolver 127.0.0.11 valid=30s;
         set $upstream http://nextcloud:80;
         proxy_pass $upstream;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
diff --git a/roles/postgresql/tasks/main.yml b/roles/postgresql/tasks/main.yml
index cf74e7e..8bdfa35 100644
--- a/roles/postgresql/tasks/main.yml
+++ b/roles/postgresql/tasks/main.yml
@@ -46,7 +46,7 @@
   ansible.builtin.file:
     path: "{{ postgresql_pgdata }}"
     owner: postgres
-    mode: u=rwx,g=rx,o=rx
+    mode: u=rwx,go=
     state: directory
 
 - name: Initialize database
diff --git a/roles/postgresql/templates/postgresql.conf.j2 b/roles/postgresql/templates/postgresql.conf.j2
index 630af83..ceef539 100644
--- a/roles/postgresql/templates/postgresql.conf.j2
+++ b/roles/postgresql/templates/postgresql.conf.j2
@@ -9,6 +9,7 @@ dynamic_shared_memory_type = posix
 password_encryption = scram-sha-256
 datestyle = 'iso, mdy'
 timezone = '{{ timezone }}'
+logging_collector = on
 log_timezone = '{{ timezone }}'
 lc_messages = 'en_US.utf8'
 lc_monetary = 'en_US.utf8'